Detailed Description
2.9 Assignment overview
PLC Basic Program Solution Line (P3 sl)
2-64 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2.9 2.9 Assignment overview
2.9.1 Assignment: NCK/PLC interface
The assignment of the NC/PLC interface is comprehensively described in:
References:
/LIS/ Lists
2.9.2 Assignment: FB/FC
Number Meaning
FB 15 Basic program
FB 1, FC2, FC 3,
FC5
Basic program
FC 0-29 Reserved for Siemens
FB 0-29 Reserved for Siemens
FC 30-999
1)
Free for user assignment
FB 30-999
1)
Free for user assignment
FC 1000-1023 Reserved for Siemens
FB 1000-1023 Reserved for Siemens
FC 1024- upper limit Free for user assignment
FB 1024- upper limit Free for user assignment
1)
The actual upper limit of the block number (FB/FC) depends on the PLC CPU on which the selected
NCU is located. For FC and FB assignment, see Section 6.4 (Memory requirements of PLC basic
program for 810D, 840D).
2.9.3 Assignment: DB
Note
Only as many data blocks as are required according to the NC machine data configuration
are set up.